21608418

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5227}}^1$

素因数の和:5298

約数の個数: 32

約数和(自身を含む): 47428416

約数和(自身を除く): 25819998

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 5227, 10454, 15681, 31362, 67951, 135902, 203853, 277031, 407706, 554062, 831093, 1662186, 3601403, 7202806, 10804209, 21608418]

約数ペア:

[(1, 21608418), (2, 10804209), (3, 7202806), (6, 3601403), (13, 1662186), (26, 831093), (39, 554062), (53, 407706), (78, 277031), (106, 203853), (159, 135902), (318, 67951), (689, 31362), (1378, 15681), (2067, 10454), (4134, 5227)]